Free Printable CET Chapter 8 Test

1.

1.Stroke volume is a measure of

a)

(A) The amount of blood pumped with each heartbeat

b)

(B) How many times the heart beats each minute

c)

(C) The amount of oxygen exchanged for carbon dioxide in the lungs

d)

(D) The amount of blood pumped by the heart in one minute

2.

2.Problems with the electrical system of the heart can cause this abnormality:

a)

(A) A lack of blood to pump through the body

b)

(B) Myocardial infarction

c)

(C) Extremely slow heart rate

d)

(D) A lack of oxygen in the blood

3.

3.The rate at which any particular site in the cardiac conduction system conducts electrical impulses is called

a)

(A) Rapid rate

b)

(B) Cardiac rate

c)

(C) Intrinsic rate

d)

(D) Pacing rate

4.

4.The primary pacemaker of the heart is the

a)

(A) Sinus node

b)

(B) AV node

c)

(C) AV junction

d)

(D) Aorta

5.

5.What generally happens with the SA node fails to initiate an electrical impulse?

a)

(A) The individual experiences myocardial infarction.

b)

(B) Another area of the conduction system initiates an impulse.

c)

(C) The individual experiences a sensation of electrical shock.

d)

(D) CPR must be performed.

6.

6.Which of the following is true of the intrinsic rates of conductive areas below the SA node?

a)

(A) Their intrinsic rates are higher than the intrinsic rate of the SA node.

b)

(B) Their intrinsic rates are about the same as the intrinsic rate of the SA node.

c)

(C) Their intrinsic rates are lower than the intrinsic rate of the SA node.

d)

(D) Their intrinsic rates may be higher or lower, depending on the individual.

7.

7.A common name for the isoelectric line on an EKG tracing is

a)

(A) The base segment

b)

(B) The foundation

c)

(C) The baseline

d)

(D) The rhythm strip

8.

8.What are the names of the five waves most commonly seen on EKG strips?

a)

(A) First, second, third, fourth, and fifth waves

b)

(B) A, B, C, D, and E waves

c)

(C) V, W, X, Y, and Z waves

d)

(D) P, Q, R, S, and T waves

9.

9.What EKG feature corresponds to the contraction of the ventricles?

a)

(A) P wave

b)

(B) QRS complex

c)

(C) T wave

d)

(D) U wave

10.

10.What marks a normal ST segment?

a)

(A) It stays at the baseline.

b)

(B) It stays parallel to baseline, but higher.

c)

(C) It stays parallel to the baseline, but lower.

d)

(D) It shows first a positive, then a negative deflection.

11.

11.A QRS interval of 0.20 seconds is considered

a)

(A) Normal

b)

(B) Shortened

c)

(C) Prolonged

d)

(D) An indication of myocardial infarction

12.

12.What is true of the R-R interval in a healthy patient?

a)

(A) It will vary randomly from beat to beat.

b)

(B) It will show a pattern of lengthening and shortening.

c)

(C) It will stay the same

d)

(D) It will get shorter and shorter until it disappears.

13.

13.How many small blocks on and EKG tracing represent 0.20 seconds?

(A) 1

(B) 5

(C) 8

(D) 10

a)

(A) 1

b)

(B) 5

c)

(C) 8

d)

(D) 10

14.

14.Heart rhythm is the ______________ of a patient’s heartbeat and heart rate is the __________________.

a)

(A) Pattern, speed

b)

(B) Speed, pattern

c)

(C) Strength, pattern

d)

(D) Length, speed

15.

15.When using the six-second method to determine heart rate, what number is multiplied by the number of QRS complexes to determine heart rate?

a)

(A) 5

b)

(B) 10

c)

(C) 15

d)

(D) 20

16.

16.The 1500 method is also known as the

a)

(A) 6-second method

b)

(B) Large block method

c)

(C) R wave method

d)

(D) Small block method

17.

17.This tool is typically used to measure features on an EKG tracing:

a)

(A) A compass

b)

(B) A tape measure

c)

(C) A ruler

d)

(D) Calipers

18.

18.Which of the following is true of the P wave in a normal heart rhythm?

a)

(A) It is rounded and appears before every QRS complex.

b)

(B) It is inverted and appears before every QRS complex.

c)

(C) It is biphasic and appears before every other QRS complex.

d)

(D) It is pointed and appears before most QRS complexes..

19.

19.When determining the duration of a PR interval, the number of small blocks associated with the interval is multiplied by

a)

(A) 0.20

b)

(B) 0.02

c)

(C) 0.40

d)

(D) 0.04

20.

20.The PR interval is measured from the _________________ of the P wave to the point at which the _________________ first leaves the isoelectric line.

a)

(A) End, S wave

b)

(B) Beginning, T wave

c)

(C) Beginning, QRS

d)

(D) End, R wave

21.

Using this strip - and using the six-second method - determine the heart rate

a)

40

b)

50

c)

60

d)

Unable to determine

22.

Using this strip - and the SMALL Block Method - determine the heart rate

a)

76

b)

79

c)

81

d)

84

23.

Using this strip - determine the PR Interval:

a)

0.08

b)

0.12

c)

0.20

d)

Unable to determine

24.

Using this strip - determine the QRS duration

a)

0.04

b)

0.08

c)

0.12

d)

Unable to determine

25.

What branches of the cardiac conduction system carry electrical impulses to the walls of the ventricles?

a)

The right and left bundle branches

b)

The atrioventricular (AV) valves

c)

The sinoatrial (SA) node

d)

The coronary veins

26.

During _____ the cells become more positively charged and they contract.

a)

Depolarization

b)

Repolarization

c)

Resting potential

d)

Hyperpolarization

27.

What does the P wave represent?

a)

Atrial depolarization

b)

Atrial repolarization

c)

Ventricular depolarization

d)

Ventricular repolarization

28.

The QRS complex relates to activity in this area of the heart:

a)

The aorta

b)

The coronary arteries

c)

The ventricles

d)

The pulmonary arteries

29.

What mechanical activity is represented by the T wave?

a)

Contraction of the atria

b)

Relaxation of the atria

c)

Contraction of the ventricles

d)

Relaxation of the ventricles

30.

Atrial enlargement may cause changes in the appearance of the

a)

P wave

b)

QRS complex

c)

T wave

d)

U wave

31.

Small blocks measure ____ millimeters high and ____ millimeters wide.

a)

1mm, 1mm

b)

2mm, 2mm

c)

5mm, 5mm

d)

10mm, 10mm

32.

There is a darker line every _____ block, both horizontally and vertically on the EKG graph paper.

a)

Third

b)

Fourth

c)

Fifth

d)

Sixth

33.

Heart rate and Heart rhythm are the same thing

a)

True

b)

False

34.

To analyze an EKG tracing, three pieces of information are needed

a)

True

b)

False

35.

How many large blocks on an EKG tracing are needed to have a long enough tracing to analyze a heart rhythm?

a)

5 large blocks

b)

10 large blocks

c)

30 large blocks

d)

60 large blocks

36.

How much time does 30 large blocks represent?

a)

3 seconds

b)

6 seconds

c)

10 seconds

d)

30 seconds

e)

60 seconds

37.

Both large and small block methods involve counting blocks between R waves

a)

True

b)

False

38.

In a regular heart rhythm, QRS complexes occur in a pattern that looks ____ every time

a)

Different

b)

The Same

c)

Negative

d)

Inverted

39.

Looking at the Calipers pictured - how would you define this beat?

a)

A Regularly Irregular Beat

b)

A Late Beat

c)

An Early Beat

d)

A Normal R-R Interval

40.

Looking at the Calipers pictured - how would you define this beat?

a)

A Regularly Irregular Beat

b)

A Late Beat

c)

An Early Beat

d)

A Normal R-R Interval

41.

Look at this strip - What do you see?

a)

Normal P waves

b)

Abnormal or Absent P waves

42.

Look at this strip - What do you see?

a)

Normal P waves

b)

Abnormal or Absent P waves

43.

Which of the following is a normal value for QRS duration?

a)

0.08 seconds

b)

0.14 seconds

c)

0.16 seconds

d)

0.20 seconds

44.

Measure the QRS duration in the following complexes:

a)

0.06 seconds

b)

0.08 seconds

c)

0.10 seconds

d)

0.12 seconds

45.

Finding a heart rate using the 6-second method involves multiplying by 6

a)

True

b)

False

46.

What is the first step of the six steps used to read a rhythm strip

a)

Determine Heart Rate

b)

Measure PR Interval

c)

Measure QRS Complex

d)

Determine Regularity

e)

Assess P wave presence

47.

What is the second step of the six steps used to read a rhythm strip

a)

Determine Heart Rate

b)

Measure PR Interval

c)

Measure QRS Complex

d)

Determine Regularity

e)

Assess P wave presence

48.

What is the third step of the six steps used to read a rhythm strip

a)

Determine Heart Rate

b)

Measure PR Interval

c)

Measure QRS Complex

d)

Determine Regularity

e)

Assess P wave presence

49.

What is the fourth step of the six steps used to read a rhythm strip

a)

Determine Heart Rate

b)

Measure PR Interval

c)

Measure QRS Complex

d)

Determine Regularity

e)

Assess P wave presence

50.

What is the fifth step of the six steps used to read a rhythm strip

a)

Determine Heart Rate

b)

Measure PR Interval

c)

Measure QRS Complex

d)

Determine Regularity

e)

Assess P wave presence

CET Chapter 8 Test

Total questions: 50

Worksheet time: 2hrs 40mins

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